Keyboard mechanism for perforating and other machines.



J. S. BANGROFT & M. C. INDAHL.y KEYBOARD MEGEANISM FOR PERFOEATING AND OTHER MACHINES.

PatenteaApr. 28, 1914.

10 SHEETS-SHEET 1.

APPLICATION FILED MAY 13, 1913.

nun'nnnnnnnnnur nunnnnnunnnnur: nnnnnnnnnnnnnn: unuuuuunnu-unum unnnunnnuunn a nnnuuuunuuun N uununnuunuun 9 ununnunnnunn ununuuuuunuu nnunnunuunnn- UDUUDUDHUUB mmbofos Ilz-C. fir/ML J. 1s. BANCROPT L M. G. INDAHL. KEYBOARD MEGHANISM FOR PERFORATING AND OTHER MACHINES.

. y APPLICATION FILED MAY 13, 1913. 1,94,629.

Patented A111128, 1914.

10 SHEETS-SHEET 2.

J. s. BANGROPT @L M. C.'INDAHL; KEYBOARD MECHANISM FOR PERFORATING AND OTHER MACHINES Patented Apr. 28, 1914.

10 SHEETS-SHEET 3.

APPLICATION FILED MAY 13, 1913.

J. S. BANGROPT L M. C. INDAHL. KEYBOARD MEGHANISM EOE PERFORMING AND OTHER MACHINES.

APPLICATION FILED MAY13, 1913. v 1 ,094,629. Patented' Apr. 28,e 1914A- 10 SHEETS-SHEET 4..

. M C'. Zwaan/@L @11 ZMA m J. S. BANGROFT & M. C. INDAHL.

KEYBOARD MEOHANISM FOR PERFORMING AND OTHER MACHINES.

APPLICATION FILED MAY 13, 1913. 1 ,094,629. Patented Apr. 28, 1914,

10 SHEETS-SHEET 5.

avi/DWC@ .E

' .S- Bamcz'osv7 M C. falda/d Z @ttbm/140,95

J. S. BANCROFT & M. C. INDAHL. l

KEYBUARD MBGHANISM FOR PERFORATING AND OTHER MACHINES.

APPLICATION PI`LED MAY 13, 1913,

um 9 1m ,H oo 24 .u T pm AH ds .www n. Lw a. D1

f Af. c. fudakff/ J. S. BANCROFT & M. C. INDAHL. Y KEYBOARD MECHANISM POR PBRFORATING AND OTHER MACHINES. APPLIGATION FILED MAY 13, 191s.

1,094,629. Patented Aprn .'28, 1914.

10 SHEETS-SHEET 7.

J. S. BANGROFT & M. C. INDAHL. KEYBOARD MEOHANISM EOR PEREORATING AND OTHER MACHINES.

APPLICATION FILED MAYIS, 1913. l

1,094,629. Patented A111128, 1914.

10 SHEETS-SHEET 8.,

J. S. BANCROPT M. C. INDAHL. KEYBOARD MBGHANISM POR PBRFORATING AND OTHER MACHINES.

APPLICATION FILED MAY 13, 1913. 1.@949629.

Patented @12.28.1914.

10 SHEETS-SEBET 9.

J. S. BANGROFT & M. C. INDAHL. KEYBOARD MEGHANISM POR PERFORMING ANDOTHBR MACHINES.

APPLICATION FILED MAY 13, 1913.

SLQQQQ, `Patented Ap1-28,`1914.

arl/J' ion UNITED STATES 'PATENT- oFFICE'. A

JOHN sELLEEs EANCEOFT AND MAUEJIT'Z C. INDAHI., or PHILADELPHIA, rENNsY'I.-,

vANIA, AssIeNoRs rro LANsToN MoNoTYPE MACHINE COMPANY, on PHILADEL- PHIA, PENNSYLVANIA, A CORPORATION OF VIRGINIA.

' EEYECAED MECIIANIsivI EonPEEEoEATIN-e AND OTHER vii'iACiII-NES.

Specication of Letters Patent. Patented Apr. 28,1914.

Application mea my 13,1913. seriaiNo. 7c7,4so

of ,ithc same, reference being had to the' accompanying drawings, for-ming part of this specification, and to the gures vand letters of reference marked thereon.

niechanism'for key controlled machines, and is specially designed for application to tlie class of' keyboard perforating machines commonly employed for producing or com-V posing the controllers, patterns or record strips for i automatic -mechanisms, such las typeV 'casting and composing machines, and

it has fors its'principal objects -to increase l the speed capacity and to render more certain and uniform the key action through which the performingmembers-or punches` are selected an'dbreughtl into action.

To these ends-the invention consists in the construction, combination and arrangement `of parts hereinafter, fully described, the

novel features -`whereof are specified and pointed out in the appended claims.

-In'the accompanying drawings, illustrat I ing. a preferred vform ofembodiment of the invention, F iguige l is .a front elevation ,Of

the machine. Fig. -2 is apartial sectional view showing the` motor, driver and con-y nections with the key bank. 'Fig'. 3 is a tion on. the line .m-, Fig. 6. Fig. Sis a trasverse vertical sect-ioi'i-on the line y-f1/ Fig. L Fig- '9 isa transverse 'vertical section on the lline z-'-2, Fig. 4. Fig. 10 is .a perspective view'of the motor controlling connections- Fig. 11 is a similar view-,of the tripping connection for the reversing valve. Fig. 12

is a side elevation partly 'in sectionof one of the key sections. Fig.- 13 is a detail of the key action showing one oftheinterponents released vand advaneedto `actuate its' key This invention has relation toV actuating' 'y Vbai'. Fig. 14 is-a topfpl'an view of, one of the key sections. Fig. 15 is a rearelevation,

and Fig. 16r a front elevation of one of thekeys and its interponent connections.. Fig. 17 is a perspective view 'of the key-'action, the-housing' being omitted. Fig. 18Xis a perspectivezview of one of the interponent members. y Y v e The same numerals designate like parts 'in the several vievs.

- For the purposes of illustration the in v vention is shown., in connection withgandlas Vapplied to the rec-ord strip composing ma'- 1909. Inf'the machine' of said patent each key is coupled, with a performingmember or keybar, which latter, through a permutation mechanism, is connected witli'any one or in ore of a series of valve bars each con: trolling vthe motion of a correspondingpunch. Ordinarily but lone or two punches are thus placed underythe control of a single key; but under certain conditions it` becomes necessary to operate a larger number chine oflfatent No.- 944,405, dated Dec. 28,

of Vpunches from a single key, as, for eX-.

ample, in preparing a record strip for the machine of Patent No. 7 82,536,.dated February 14, '1905, Where each vsignal includes from oneto eight and possibly more, perfo-4 rations.

According to the present inventionjthe power for actuating the key bars is transferized from thekeys to asiiigle-stroke ino--A ktor, vandthe ke s serve A merely -to eiect the',` release of indi idual actuating 'devices ormembers for coupling the selectedl key bar and motor, and for inauguratingthe 'xiiovev ment of the latter.. 'In the machine of lcontrolling valve 1, Fig. 2, each valve by an actuating bar 2, and' each key by a key lbar Patent Nolaiiaoaeaeil of tl-ie'seriesfof punches is represented by a 3. Interposed between the key bars and" valve actuators is a permutation or trans-' mitting mechanism 4. through which anyAv 'key'bar may' be coupled with any oneor more of the valve actuators 2, as fully explained in `\said prior patent. The present improvements relate to the means for actu-A ating saidselective keypbars or rforming 'members 3, each of whichs provided with'a lug or projection 5' for thispurpose.

It may venience the here b'e observed that for con-I." 7 machine of, the patent referred` btt to has its key bank constructed in two separately removable sections, and the same plan is here adopted, the new motor mechanism being duplicated `for the two sections; and as the motors are identical and the key actions duplicates, a specific description of one motor and of one key mechanism will sulice for all.

Supported to reciprocate in parallel with the series of key bars 3 of each section is a driver in the form of a plate 6 provided with a perforation 7 and al1-engaging shoulder 8, immediately in rear of each key bar lug 5. Conveniently these openings and engaging shoulders are produced by forming angular cuts in the plate and bending the inclosed material laterally and forward to form E -shaped extensions below the plane of `the plate, the horizontal members of said projections lying opposite but normally removed from the complemental key-bar lug 5. Plate 6 constitutes the driver for the several key-bars associated therewith and is detachably coupled to the single stroke motor about to be described.

The motor is supported upon a frame or housing 10 and is provided with opposed cylinders 11, 12 in which work pistons 13, the latter coupled together by a connecting rod 14. This connecting rod is slotted to receive the arm l of a slide 16, the latter supported to reciprocate in guides in frame and provided with an arm 17 through which connection is made with driver ,6, to the end that said driver may be compelled to participate in the longitudinal movements of the piston rod. Although for structural purposes formed separate therefrom, slide 16 is in eiect a part of the driver 6 with which it is7connected through a separable coupling 6X.

rl`he outer ends of cylinders 11, 12 are closed by removable heads 18, Mig. 5, each carrying an adjustable member 19 in posi- Vtion to engage a plug 20 of cork or other suitable material located within a recess in piston 13, to provide a sound 'deadening cushion. Cylinders 11, 12 are furnished with ducts 21 terminating within a valve chamber 22 in ports 23, Figs. 4 and 9, located on opposite sides of an exhaust port'24. A slide valve 25, located within chamber 22 is arranged to alternately uncover one port 23 and connect the other port 23 with the exhaust. n passes through exhaust port 24 and 1s connected to one arm of a lever" 27, the other arm whereof is projected between two actu- -ators in the `form of pivoted levers 28, 29, vthe latter connected by a spring 30. Pivot- 'ally supported upon lthe frame are two latches 31, 32, in position to engage and retainlevers 28, 29 in retracted position with spring 30 under tension. Slide' 16 carries a lug 33 projected between levers 28, 29, in

rlhe stem 26 of slide valve 25- position to engage one or the other of the latter at opposite ends of`its stroke, for the purpose of retracting said levers and eifecting their rengagement with the retaining latches.

A pressure supply pipe 3d communicates with the interior of valve chamber 22, and inits normal or inactive condition the motor, as thus far described, is brought to rest with valve at the end of its stroke uncovering port 23 leading to cylinder 12 and connecting port 23 of cylinder 11 with the exhaust, as illustrated in F ig. Il. Both levers 28, 29 are now held in retracted positions by their latches 31, 32,-valve 25 is retained in positions by the pressure within chamber 22, and driver 6 is held retracted as in Figs. 2, 3 and d by the pressure in cylinder 12.

It is obvious that if latches 32, 31 are actuated in succession to alternately release valve actuating levers 29, 28, the motor will be energized to reciprocate driver 6 the withdrawal of latch 32 causing lever 29 to engage and shift valve 25, thereby connecting cylinder 12 with the exhaust and admitting pressure tov cylinderv 11 whereby driver 6 is advanced to rengage the lever 29 with its latch 32. lf now latch 31 be moved to release lever 28, valve 25 will be moved to the opposite extreme of its stroke renewing pressure in cylinder 12 and exhausting from cylinder 11, the resulting retrograde movement of driver 6 restoring valve actuator 28 to its latch and at the same time placing motor spring under tension. lt is apparent, therefore, th'at both the time and direction of motion of the motor and connected driver can be controlled through the agency of latches 31; 32. llt is required, according to the present invention, that the motor should be adapted for both continuous and single action, the formerl when it is desired to automatically repeat a given signal, as in quadding out aline, and the latter for producing asingle signal in response to the depression of any key. rllhe mechanism through which these two actions are attained will next be described.

Mounted to reciprocate longitudinally in guides in frame 10 is a bar or slide 35, Figs.

v3, 4 and 10, provided with an arm 36 in position to engage the tail of latch 32, and a'- similar arm 37 carried by a slide 38 is lo- A,catedin position to 'engage latch 31. Slide is the medium through which motion iS transmitted from each key to start the motor in action for its forward or operative stroke,

Vwhile slide 38 controls the return stroke and for that purpose is .coupled with an auxiliary motor, the latter represented by a piston 40, Fig. 7, working in a cylinder 41 and having its piston rod connected to one arm of a lever 42 whose other arm is connected through link 43 with said slide 38. One end mission of pressure from Within said chamber, and to cover said port and connect `it with an exhaust port v48.- Valve 47 is conneeted to one arm of a lever 49 whose other arln .carries an adjustable contact in the shape of adjustable screw 50 in line with an abutment 51 carried by main slide 16. A re- '40 and thereby retain arm tracting spring 52 connected With-lever 49 servesitohold the valve 47 normally at one end "ft's stroke with port 45 in communication with exhaust port 48, and a spring 53 applied to lever 42 serves to-retract` piston 37 of lslide 38 in line-with but removed from latch 31. lresvsure 1s transmitted' to -valve chamber 46 through a pipe 46x in open communication with valve chamber 22. Pivotally attached `to slide or'starter 35 is a bar 54 Whose free end liesin the plane of movement of an' abutment 55 on slid 38, said bar 54 serving asav removable interponent through which gaging'trip 31 may be'transmitted to slide in a direction to release and prevent engagement with latch 32. The movementv thus communicated to slide 35 is a positive one derived indirectly from theprime motor 11, 12 through the auxiliary motor and is in the opposite direction from that re-v quired for engagingand operating latch 32;

The interponent or bar 54 `is coupled by a link 56 With av-lever 57 and is held normally lin operative relation to abutment 55 by a s ring 57", but can be moved out of operative position by pressure applied to lever 57. A second sprung-actuated engaging' latch Figs. 3, 4, 10 and 11 is niountedfonthe frame in position to normally engage valve actuating lever 29, and main slide 16 carries an arm 59 in position to engage and retract this latch 58 and hold it-.removed from lever 429 -when said main slide reaches the extremity of its motion to the left, in Figs.v

3 and 4; that is when pressure is exerted in cylinder 12 of the main motor.

' The sequence of operations performed by the motor and its controlling devices is briefly as follows: Assuming interponent 5:4.to be in normal position, slide 35'retracted to the right and slide 38 to the left, Fig. 2, and to the right in Figs. `3 and 4. valve 25 shifted to admit pressure to cylinder 12, latches 31, 32 engaging valve actuating` le- :vers 28,- 29, and valve 47 retracted to `open` -vtheexhaust to the auxiliary motor and the latter retracted. Under these conditions the motor spring of levers 28,29 will be un. der tension. Main slide 16 with-the attached driver 6. will be held at the end of its stroke by pressure in cylinder 12 and arm 59 will be heldinjengagement with latch 58 sustaining the latter out vof the path ofv lever 29.

If now slide 35 1s moved in a 4direction to cause the engagement of its arm 36 with latch 32 the withdrawal of .the latter will free lever 29 to shift valve 25 and admit pressure into cylinder 11 while opening the exhaust to cylinder 12. Main slide 16 will thereuponv advance until it encounters lever 49 and shifts valve 47, thereby admitting 1 pressure' to the auxiliary motor Whose piston now acts to `advance slide 38, retract sllde 35 and at the same time'engage latch 31, thus i freeing lever 28 and reversing valve 25 so as to effect a return of slide 16 to irst position..

During the `irst or operative stroke of slide 16 lever 29 is rengaged with its latch 32 and during the -return stroke of said slide lever v28 is engaged with* its latch and valve 47 is shifted lay-its spring to exhaust the auxiliary motor. This completes the/.cycle of operation vinaugurated by the' movement of slide'35, the motor remaining at restuntil said slide is 'again moved to 'disengage latch 32. The enforced return of slide35 through interponent 54 prevents the'release l the impressed movement of slide 38 for cnof latch 32 upon the return movement of main slide 16 under pressure in cylinder 12,

and insures a complete stroke offthe motor for each impressed movement'of slide' 35. If, however, interponent- 54'be Withdrawn atv `as through pressure applied to lever 57, and

slide 35 be held in its retracted position While in engagement with latch`32, the mo- Itor Will be converted from a single stroke into a multiple or continuously reciprocating motor, for in such event supplemental latch 58 will receive and retain lever 29 at the end of the ,fjorward or operativestroke of themotor and will be operated upon bv arm 59 to automatically release lever 29 and reverse valve 25`at the-end of-thereturn or inoperative stroke of the motor, an operation which could not take place had slide 35 been returned to permit latch 32.

So long as slide 35 is'held iny its advanced a rengagement of 110 position and interponent 54 is Withdrawn from engagement with slide 38 the motor will continue in motion, automatically reproducing the signal corresponding with the key thetime controlling said slide 35; but this .actlon will cease When pressure 1s relieved uponlev'e'r 57 permitting .the return ofV interponent'5'4 into-the path of slide 3 8, for in `such event during'the return slide 35 will be effected andthe action sus.- pended by the vreturn of latch'f32 into en# gagement with lever 29. The significance and importance of this dual capacity of the- -motor will more'fully appearjin connection 'stroke-of slide 1 6 an enforced withdrawal of arate :trames or housings composedjof side plates separated at uniform intervals by cross plates. The several housings are mounted side by side in and detachably secured either to the trame or to the removable cover plates 6l of the respective keybank sections.

lCach key 63 is in the form of a bellerank lever, (preferably stamped from sheet metal), one arm whereof is provided with the usual button or linger piece 6st and the otherwith two projecting members or teeth 65, 66, the whole being pivotally supported in the side plates of the hc-using above one of the cross plates 62. Each cross plate is termed with upper and lower sections 67, 68 located in different 'vertical plates, and connected by a horizontal intermediate section 69, the lower edge of said plate being bent outward to form a-tlange 70, and the central portion at the junction of the lower and intermediate sections slotted and formed with a turned up section furnishing a retaining shoulder 7l, Fig. 17. rlhe upper and shorter projection 65 ot' the key lies above this retaining shoulder 7l while the lower and more prominent projection 66 lies below said shoulder and extends through the slot in the cross plate. Between each key and its complemental key-bar and under the control of the former is an interponent adapted to be entered between the shoulder 8 ot' the plate or driver 6 and the key-bar lug 5 through which themotion of the former in one direction, z'. 6. the active or operative stroke of the motor, is transmit-ted to the key-bar, j

rlhe interponent is furnished with a stem or shank 76 and is provided with a motor spring 77,'tending to project said interponent member between the driver and key bar, and it is also furnished with two engaging teeth or shoulders 78, 7 9, the upper of which is adapted to engage retaining shoulder 7l on 'the cross plate, when the -jnterf ponent is fully retracted, as hereinafter eX- plained, and the lower (79) to engagey projecting member 66 l,of the key and be suspended thereon when said key is fully retracted. C

Preferably the interponents and their stems are formed from sheet metal cut and bent as indicated in Fig. 18 to provide a relatively wide U-shapcd lower section constituting the interponent proper (75), and a narrower tlat stem portion located at or near one edge ot the interponeut, and provided with an intermediate shoulder portion 8O formed by bending a portion of themetal at right angles to the plane of the stem. portion ot the upper end of the 'flat stem r1s also bent at right angles `to the plane of thestem, one edge of said bent portion being notched to furnish engaging teeth or shoulders 78, 7 9 of which the last named is the roeaeee deeper. A hook 81 lis also provided neary the upper end of the stem for receiving one 'end of the motor spring 77. lhe upper end In order that the keys of a column may j be brought closely together without interf ference the stems 7 6v of adjacent keys are located at opposite' edges of the interponents 75; that is to say, two forms are employed, one in which the interponent member is eX- tended laterally to onejside and the other to the opposite side of its stem and in which the intermediate shouldered portion 8O projects from rela/ tivelyjopposite :faces ot the stems as seen in Figs. l5 and 16, respectively. rlthis construction renders possible the employment of duplicate interponents ot' the twocforms mentioned for equipping a column of keys designed to control a plu rality of key bars arranged side by side, and, also, permits the shouldered portions ot' contiguous interponents to be arranged side by side for actionupon a member common to thetwo.

Supported in bearings on the frame is a series of rock shafts 85'each provided with arms 86 carrying a rod 87, the latter extendingtransversely of the housings 60 beneath the latter. rlhe shouldered portions 80 ot the several interponents are provided on their under sides with recessed portions or angular notches 88 for the reception of the rods 87. Each rock shaft 85 is furnished with an arm 89 in position to engao'e a shoulder 90s on the controlling slide of the motor mechanism.

By associating in pairs interponents possessing reversed shouldered portions 8() the number of rock shafts 85 may be reduced to one halt the number of keys in any column containingl an even number or one more than half in an odd number column. The action etiche key mechanism described and its correlation to the motor is briefly as follows:

--When in normal or operative position each interponent 75 is held suspended upon tooth 79 ot its key lever and in engagement with lug 5 of its key bar 3, andout of range of the complemental engagingv shoulder 8 of plate 6, with its motor spring 77 under tension and operating to maintain the stem of the interponent and key lever 1n contact, and with dered portion 80 in register with one of the ,the recessed or notched section 88 of shoul- Y motor starting rods 87. Slide occupies its retracted position and the motor is at rest holding driver 6 retracted. If, now, pressure is applied to any key in a direction to effect the Withdrawal of its supporting tooth 66l from beneath tooth 79, the associated interponent will, under the pressure of its motor 77, be forcibly projected in front of the associated shoulder- 8 of driver 6, and at the same time pressure will be exerted by said interponent upon the associated rodl 87 to-turn its shaft A85 in a direction to'advance slide 35. As a result of this action the motor is started to advance driver', and the motion of the latter being transmitted through the engaged interponent to the key-bar corresponding with the key brings into action the punch or punches coupled with said key-bar and necessary to produce the desired signal. During this movement of the driver the interponent is carried ,forward and its shouldered portion is advanced sufficiently to move-the recess or notch 88 beyond the rod 87, as indicated in Fig. 13. Upon the completion of the forward stroke of the motor and during the -enforced return of slide 35 the operated shaft 85 will be turned in the `reverse direction, thereby effecting the withdrawal of the interponent from the path of the driuer, and, owing to the displacement of notch'88 and the engagement of the more prominent section of shouldered porti0n'80 the interponent will be elevated sufciently to'insure tooth 78 passing shoulder 71. If the key has in the meantime been released and returned to normal position this movement will effect the rengagement of teeth 66 and 79, tooth 65 standing in line with or slightly projecting beyond shoulder 71 preventlng the engagement of tooth 78 with said shoulder; but such prompt return of the key seldom occurs owing to the great. rapidity at which the motor works in performing iits stroke, and it is obvious thatl unless some means are provided for retaining the interponentin the retracted position to which it is brought by bar 35, saidinter ponent will immediately rengage and the signal berepeated. It is for this purpose the auxiliary tooth 78 and retaining 71 are provided.

When the key lever is suiciently depressed to remove its` engaging teeth 65, 66

shoulder from the path of teeth 78, 79, of the intervoo ponent the pull of spring 77 as the interponent is retracted or forced upward will tilt the upper end of its stem and effect the engagement of tooth 78 with shoulder 71, thus locking the interponent out of action where 1t remains until, upon the return of the key lever, the upper ltooth or projection Y 65 engages thefstem to displace the 'latter Vand withdraw its tooth from the supporting shoulder 71. When this'takes place, as it does upon the return of the; key lever, tooth 66will have advanced suliciently to engage tooth 79 of the interponent, thereby restoring the mechanism to the initial condition.

It will be noticed that the release of the interponent is effected at the beginning of the stroke of the key lever, and that a second or repeat stroke ofthe same' key can not occur'until after the key lever shall have been fully-retracted; that where the motor is started in action through the depression of any key,V a second interponent, although freed by its key, cannot be vengaged untilthe stroke has been completed, owing to the displacement of plate 6 and the interposition of shoulders 8 in the path of said second interponent; and, further, that the retraction of any interponent into position to engage retaining shoulder'71-'only occurs after said interponent has been engaged with plate 6 and displaced thereby to present the more prominent portion ,of shoulder 80 in position to be engaged by rod 87 uponthe enforced return o slide35.

I1;J will be remembered that the enforced return of slide. 35 toreset a previously engaged and displaced interponent, takes place immediately after the4 release of 'valve actuating lever 28 forgefecting the return or back stroke of the motorfand it is apparent that if, as might be the case, rods 87 were adjusted to lift the several interponents above their suspension shoulders or teeth 79 through engagement with the recessed or notched section 88, any interponent deposit'ed upon the driver through the actuation of its key in the interval between the releaseof the first interponent and the return of slide 35 would be lifted by the-latter and rengaged with its key. Such an arrangement would introduce a limitation on the speed of the mechanism by requiring to. be effective', must be that a second key,

the ret-urn of slide 35;

operated only after besides which Vthe noise incident to contact of the several rods with their respective. interponents at each reciprocation of slide 35 might prove objectionable. These objections are eliminated inthe preferred construction illustrated wherein a slight clearance is provided between the rods 874and their interponents when the latter are supported to present the recessed or notched portion 88 in register with said rods 87, that is to say, with the-interponents either suspended upon their keys or resting upon the driver, due to their release subsequent to that of thel eu-v gaged and vactive interponent. Under these' hereinbefor'ev explained, and 1n l 130 Aconditions slide 35 becomes inoperative to y f immediately after the first and before the driver is fully retracted, the interponent released thereby and restrained by the driver instead of being rengaged with its, key by the return of slide 35, will preserve its contact with the driver unt-il theJ latter completes its return movement when it will at once be released and projected between the driver and its key bar, at the same time advancing slide 35'to start the motor and thereby complete the movement inaugurated by the depression of said second key. The special object of this arrangement is the conservation of the time. Consecutive action on the part of the keys is essential to the production of correct results inthe way of succession of distinctive signals, but not# withstanding the extremely short interval occupied in completing a stroke of the motor, itis possible to depress a second key before the operation started by the prior key has been completed, and by rendering the mechanism operative to automatically produce the signal designated by such second key in the manner explained not only is the speed capacity of the mechanism as a whole increased, but the loss of signals is pre` vented.

lt is to be noted that as arranged motor spring 77 ,is so arranged that the motion of the key lever for eiecting the release of the interponent operates to` extend and thereby augment the power of the spring in projecting the interponent, thus insuring prompt action on the part of the interponent in response to the depression of its key.

1When it is desired to repeat or duplicate any given signal, lever 57 is moved to withdraw interponent 54 'as hereinbefore eX- plained, with the result that when the key lever representing the desired signal is depressed to release and project its interponent 75 the motor is started as before by the engagement of rod 87 to advance slide 35, but, owing to the absence of interponent 54, there lis no longer an enforced return of slide 35,

and the latter may be retained in its ad- -vanced'position by the engaged interponent,

thus holding latch 32 out of engagement with valve shifting lever 29 and permitting the motor to automatically continue in motion with the designated interponent 75 in engagement until by the return of interponent 54 to operative position, slide 35 1s again forced back to withdraw the engaged interponent 75 as hereinbefore explained.

Although in the preferred form of embodiment'illustrated herein the key bars are arranged to indirectly operate the punches through the valve bars and interponent mechanism it is apparent some or all of these intermedia-ns may be dispensed with and the punches connected more directly-with the C, key bars, the valve bars or their equivalents.

Having thus described our invention what ing memb autres@ we claim and desire to secure by Letters Patent of the United States, is,'-

1. ln a machine of the class described the combination of the fol-lowing elements to- Wit: a series of punch controlling valve bars;

a series of key-bars; permutation devices intermediate the key-bars and valve-bars; aseries of keys, on'e for each key-bar; a driver; a single acting motor coupled with the driver and provided with a starter; a series of interponents, one for eachkeyV` for coupling its key-bar with the driver and actuating the starter of the motor, said interponents being normally under tension to engage the driver and restrained by their respective keys; and means for positively retracting the interponent and rengaging it during the stroke of the motor.

2. In a machine of the class described equipped with a plurality of punch controlling valve-bars, a plurality of key-bars, permutation devices for connecting each keybar with any one or more of the valve-bars, and a plurality of keys, one for each keybar, and in combination therewith, an actuating mechanism for the key-bars controlled by the keys, the same including a driver, a motor for said driver provided with a starter, and a plurality of interponents one foreach key for effecting connection between key-bar and driver and for actuating the starter to energize the motor and eciprocate the driver and indicated key- In a machine of the class described provided with a plurality of individual performing members and designating keys therefor, and in combination therewith, an actuating mechanism for said performing members' responsive to the keys thereof the same including a single stroke motor equipped with a starter; a driver coupled with saidmotor; an interponent for each performingomember adapted for interposition between the latter and the driver; a motor for each interponent tending to automatic-ally eect engagement with the driver; a tripping connection between each interponent and its key for restraining the advance of the interponentyand connections between the starter and eachl interponent whereby the latter, when released by its key, will operate to couple the corresponding performing member and driver and start the motor in action.

4. ln a machine of the class described, the combinations of the following elements, to- Wit: a series of individual performing members or key-bars; a series 0f keys.l one for each performing member; a single stroke motor; a driver coupled with the-motor; a series of interponents, one for each performer, adapted tov couple the latter with the driver and provided with an advancing motor and a tripping connection with the associate-d key; a starter for the driver-motor; and actuating means for said Starter located in the pathof each interponent andengaged by the latter in its movement toward the driver when released by itskey. r

5.' In a machineof the class D'described provided with a performing member and asso ciated designating key and in combination complemental keys,

therewith, a motor provided -with starting means; a driver coupledwith said motor; an interponent for connecting the driver and performing member ,provided with a restraining trip connection with the key and impelling means for eecting its advance toward the driver; actuating devises for the motor starter interposed in the path of the released from 'its key to set the motor in action; and positively acting ymeans -controlled by the motor land operating through said motor starter actuating devices to retract the interponent and effect its rengagement with Athe key.

6. In a machine of the class described vthe combination' of the following elements, to-' wit: a 'single strike motor and associated driver and starter; a series of keybars and complemental keys; and a series of interponents, one ,for each key-bar; :each oat said interponents engaging a key-bar and held in suspension under pressure by its key in position when released to cou-ple its key-bar 35- witli the driver'- and to engage the starter for' the mo-tor.

' 7. In a machine such as described comprising a series of keys and complemental key-bars, a driver, and interponents controlled by the keys for coupling individual key-bars with the driver, and in combination therewith, a single stroke motor coupled with the driver. and provided with a reversing valve, actuating means for said valve including a restraining latch device, tripping means fr said latch, and actuating devices for said tripping means4 controlled by the interponents in their movements to couple the key-bars and driver.

8. In a'mechanism such as described, including a driver, a plurality of key-bars and and interponents held under restraint by the keys and operating whenieleased thereby to couple' the keybars and driver, and in combination therewith, a single stroke motor for said driver vprovided with a reversing valve a'nd actuating devices latch, and actuating devices for said latch under the control of the interponents and operating to trip said latch during the move- 'ment of any interponentfrom neutral to operative position v with driver. Amm..

9. In a' ineclanisnisuch as described mocluding a driver, a plurality of key-bars interponent and operatedby the latter when.

.cally couple its bar and driver,

therefor including a, retaining relation to the' automatically-couple .its :key-bar with the and in'combination therewith, a -inowith complemental keys and a series of interpc-nents, each held under restraint by a key and when released thereby advancingv to ycouple its key-bar with .the driver,-and in combination therewith, amotor coupled withthe driver and provided with a reversing valve, actuating devices therefor including opposed impellin'g members provided with' restraining latches and restoring means coupled with the driver, and a tripping.

'vif4 member for one of said restraining latches Jfor coupling said key-bar and driver, and in stroke motor combination therewith, a single connected with the driver, and starting devices for said motor actuated by each interponent in its movement t o couple the key-bar and driver.

1Q. In a mechanism equipped'with a driver and a plurality of key-bars each provided with a complemental key and interponent or coupling the `key-bar and "driver, and in combination therewith,- a single stroke key-bars .each provided restraint by the keys and motor provided with starting ineans under.

the control of the interponents, means for automatically stopping the motor at the end of its stroke, and controllable means for suspending tlie action of said stopping means and rendering the motor continuously acting'.

.13. In a machine suoli equipped with keyas described a driver and a plurality of ars each provided with a complemental key and interponent'for coupling the heylr4r` and in combination therewith, a metorcoupled with the driver vand `provided with reversing means including automatic means for arresting the motor upon the completion of a single stroke, starting vmeans controlled by the interponents, and controllable means for temporarily suspending the action of the arresting means.`

14. In a machine such. as `described equipped `with a driver, and av plurality of key-bars each provided with a key and interponent, the latter held .under restraint by the key and serving when released thereby to driver, tor coupled with the' driver and provided iis his

a inea-,esa

with control devices for rendering it either single stroke or continuously acting the saine including means for arresting the motor at the end of each stroke, a starter under the control of the several interponents, and controllable means for suspending the action of the motor arresting devices.

15. ln a machine of the class described equipped with a driver and a plurality of key-bars each provided with a key and an interponent for coupling its. keybar and driver, and in combination therewith.. a prime motor connected to the driver; reversing means for said motor including a valve, opposed actuators, and retaining latches for the'latter; a starter for engaging one of said retaining latches coupled with ineansdisposed in the paths'of theinterponents for actuating said starter; and a supplemental motor controlled by the motion of the driver and acting upon the second retaining latch to reverse the prime motor. n

16. ln a machine of the class described, the combination of the following elements, to wit: a driver; a plurality of keV-bars each provided with an interponent held under rcstraint by a key and operating when released to couple its key-bar with the driver; a prime motor for fthe driver provided with a reversing valve under the control of opposed actuators each adapted to be held`under restraint by a latch; a 'starter in position to engage one of said latches and coupled with actuating devices disposed in the paths of the interponents; restoring means coupled ."with the driver for rengaging the valve actuators; a tripping member for the second latch; and a supplemental motor controlled by the movement of the driver for actuating the tripping member for the'second latch to effect the reversal of the prime motor,

17. In machine of the class described, the combination of the following elements to wit: a driver; a plurality of key-bars each provided with an interponent normally held under restraint by its key and operating 1 when released to couple its key-bar with the driver; a prime motor for the driver pro` vided with reversing devices including two retaining latches each controlling motion in one direction; a starter for engaging one of said latches provided with actuating devices located in the paths traversed by the inter- Aponents when engaging 4the driver; actuating devices for the second latch; and a suppleinental motor controlled bythe primary motor and operating upon the actuating devices for the second latch and'upon the starter tov reverse the prime motor `and reengage the interppnent withits key.A f

18. ln a machine of the class described, the combination ofthe following elements, towit: a driver; a. plurality of key-bars each provided with an interponent normally held under restraint by its key and operating vices for said starter interposed in the paths ofthe several interponents; an actuator for the second latch; and a supplement-al motor controlled by the prime motor and acting upon the starter, toforcibly retract the released interponent. n

19. ln a. machine of the class described including a driver and a plurality of key-bars each provided with an interponent and controlling key therefor, and in combination therewith, the following elements, to-wit; a motor coupled with the driver and provided with a reversing valve mechanism subject to opposed actuators one of the latter `con trolled by a'single latchand the other by two latches; an engaging member coupled with'the driver for releasing one of the associated latches-at the end of the stroke 'of the motor in onedirection; a starter con trolled by the interponents for engaging the other of said associated latches; and a supplemental motor controlled by the driver for engaging the single latch. Y

20. In a machine of the class described equipped with a driver, and a plurality of key bars each provided with a key and asso- Aelated interponent, and in combination there-v with, a motor coupled with the driver and provided with .a reversing mechanism including opposed actuators, the one engaging a single and the other associated latches; an engaging member coupled with the driver for withdrawing one of the associated latches at the end of the stroke ofthe motor in one direction; a starter acted upon by the interponents to withdraw the otherof said associated latches and thereby release their actuator to' start the motor; a supplemental motor controlled through the movement of the driver and operating to release the single latch, Athereby reversing the motor; and controllable connections between said supplemental motor and the starter for either -positively retracting the latter, to permit ren engagement of its latch at the conclusion of a .single reciprocation yof the prime inotor or to permit said starter to be retained in its advanced or engaging position.

. 21. ln a machine nf the class described, the combination of the following elements to wit: a plurality of key-bars each equipped with a key controlled interponent; a driver;

a motor for the driver provided with'automatic reversing devices and means for arresting the action of the motor,at the conclusion of each complete reciprocation thereof; land a starter controlled by the interponents and operating upon said arresting means to start the motor in action.

amata ed keys and interponents; a driver; a motorl for the driver provided with automatic re- Aversing means and means for suspendingthe action of the motor at the conclusion of ,each complete reciprocation of the driver; a starter controlled by the interponents Ifor withdrawing said suspending means; and

means controlled by the driver for forcibly.

retracting the starter.

23. In a machine such as described, the

l combination with a ymotor actuated reciprocatory driver, and a performing member and associated key, of a longitudinally and laterally movable interponent the latter temporarily held under restraint by its key and provided with a plurality of engaging surfaces of dierent degrees of projection; a

starter for the motor provided with an actuating means standing normally opposite and in the path of movement of the lesser engaging surface of the interponent whereby upon the release of lthe interponent it will actuate the starter and couple the key-bar with the driver and will then be displaced laterally to present its more prominent engaging surface to the starter actuating means.

24. In a machine such as described, the combination of a motor actuated driver; a

starter for the motor provided with actuating devices; means controlled by the motor' for effecting an inforced return of the starter; and an interponent held under restraint by a key, and provided with two engaging surfaces of dierent degrees of elevation, for engaging the starter actuating devices, said mterponent by a movement 1n one direction coupling the driver and key-bar and actuating the starter for the motor, and bythemovement derived from the driver A lshifting the 'engaging surfaces of the interponent in their relation to the starter actuating devices so as to present the more prominent of ,said surfaces in position to be acted upon. u d

25. In a machine such as described, the combination of the following elements, to wit: a driver provided with aplurality of openings furnishing engaging shoulders; a motor coupled'with said driver and pro.- vided with a starter; a plurality of keybars; an interponent for each key-bar provided with two suspending shoulders 'or teeth, two starter engaging surfaces of different degrees -of projection, and an impelling spring; a housing provided with a suspending shoulder for the interponent; and a key .for each interponent provided with a displacing tooth or shoulder inproxi'mity to the housing-suspending-shoulder, and with a sustaining shoulder or tooth for receiving the sustaining tooth ofthe interponent when the latter is displaced from the engagement therewith.

'rality of key-bars,

heusing-suspendng-Shoulder; each of said nterpenents being 0 ,disposed opposite an opening .mths driver when ,the latter ,is in retracted position with its lessI pronounced surface in` position 'to vengfnge ,the starteractuatmgudevice# i 426. a machine such. as.` described provided with a motor actuated reciprocatory driver starting devices for the motor, and 1n combination therewith, a pluralityof key bars; a plurality of keys, one foreach key-bar; and an interponent for each key and asseciated key-bar adapted for interposition between the driver and key-bar and for engagement with the starting devices,

said interponents normally engaging their respectivekey-bars 4and held under restraint by a tripping connection with the keys. l

27, In a machine such as described, the combination of the following elements, to Wit: a reciprocatory driver; a key-bar; an interponent normally Vengaging the key-bar and movable in two directions, lto engage the driyer and accompany the key bar when coupled therewith; .a pivoted key provided with a tooth for ,engaging a shoulder or tooth on.;the interponent;- a ,movable strut engaging .the key-lever; anda spring interposed .between/Said AStrut and the` nter-v ponent and operating to both impel the in'- terponent and advance the key lever into :28. In a machine such as described, the

combination of the following elements, to

witga driver; motor devicesfor reciprocating i the driver provided `with. starting means; a plurality of independently movable key-bars; a key lever for each key-bar.; and an inter-ponent for each key-bar movable toward and from the driver and with the. key-bar, said interponent being pro'- vided with means for detachably suspending it upon the key-lever and with two engaging surfaces of 'different degrees of projection in the direction of motion toward the driver to couple the latter with .the keybar, the lesser of said engaging surfaces standing normally inregister with the starting means; and means for positively retracting the starting devices.

29. In a machine such as described provided with a driver, motor devices for reciproca-ting the driver;v including a starter and actuating means therefor, and a pluand in combination therewith the following'elements, to wit: a plurality of interponents, one for each keybar, adapted for interposition between4 the driver f and the associated key-bary and to partake of the movement ofthe latter when coupled with ythe driver, each of said interponents providedwith two surfaces of different degrees of projection for alternately engaging the actuating means for vthe starter and with sustaining and suspending teeth;

a key lever for each interponent provided with dispiacingand sustaining teeth or projections; and a fixed sustaining shoulder for each interponent,

p 30. ln a machine such as described provided with a driver, a motor connected therewith and starting devices for the motor, and in combination therewith, a plurality of key-bars; an interponent for each key-bar normally engaging the latter and adapted to be interposed between it and the driver7 said interponent being equipped with two suspension teeth or projections and with two engaging surfaces at diden ent levels whereof the more remote surface is normally presented in position to engage the inotor starting devices and is removed therefrom and the other surface presented to said starting devices when the inten ponent is shifted laterally by the driver; a fixed sustaining shoulder adjacent each interponent in position to receive one of the suspension teeth of said interponent when the latter is fully retracted through the medium 'ot the nnotor starting devices upon the return movement oit the latter; and a pivoted key lever :tor each key-bar provided with two teeth or projections, the one operating` upon the interponent to dis- Leontine place the latter from the fixed sustaining I mally engaging the latter and adapted to be advanced between the driver and key-bar to transmit motion to the latter, said interponent beinzg1 provided with a plurality of y suspension teeth and two starting device engagging surfaces of different de rees of projection; a fixed sustaining shou der for each interponent; a pivoted key-lever for each nterponent provided with displacing and suspending teeth, and a spring connecting each interponent and its associated key lever in a manner to simultaneously advance the. interponenta and retract the associated key JOHN SELLERS BANGRFT. MAURTZ G EINDAHL Witnesses:

Monrrnnen A, donne, SAMUEL lit. Davie.

leven 

